Ok, first you need to add the commons-io.jar to the Java classpath.
You can do this by editing the Clojure startup script. The argument
to "-cp" is a colon-separated list of directories and/or JAR files to
go on the classpath. So if the command line was this:
java -cp /path/to/clojure.jar clojure.lang.Repl
Now it will be:
java -cp /usr/share/java/commons-io.jar:/path/to/clojure.jar
clojure.lang.Repl
(Note: this may also be possible with the add-classpath function in
Clojure, but I'm not sure if that still exists/works.)
Once you've done this, restart Clojure and you should be able to
(import '(org.apache.commons.io FileUtils))
Then call (FileUtils/copyFile fileA fileB)
fileA and fileB should be instances of java.io.File.
Hope this gets you where you need to be. :)
-Stuart Sierra
On Nov 24, 2:26 am, "James G. Sack (jim)" <[EMAIL PROTECTED]> wrote:
> Parth Malwankar wrote:
>
> > On Nov 24, 12:34 am, Stuart Sierra <[EMAIL PROTECTED]>
> > wrote:
> >> Honestly, for this kind of low-level stuff I always use the Apache
> >> Commons libraries, <http://commons.apache.org/>, esp. the Lang and IO
> >> components. They've got every imaginable stream function, all
> >> carefully and efficiently implemented. But if you're determined to do
> >> it in Clojure, loop/recur is the way, as James demonstrated.
> >> -Stuart Sierra
>
> > Yes. commons.io.FileUtils.copyFile is definitely a nicer way :)
> > I am still learning Java (as an when I need it for Clojure). Thanks
> > for the pointer.
>
> From another learner --really a java-ignoramus-extremus:
> Would someone take pity and give a clojure recipe for using
> commons.io.FileUtils.copyFile to copy "fileA" to "fileB" (say).
>
> I have found and installed commons.io via package manager and it ended
> up in /usr/share/java/commons-io.jar. Was that the right thing to do?
>
> The rest of java seems to live under /usr/java/jdk1.6.0_10/
>
> I am starting REPL via the rlwrap script posted on the wiki.
>
> My first stumbling block seems to be how to do the import! :-(
>
> TIA,
> ..jim
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